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2025 GMC SIERRA HEAVY DUTY
2500 & 3500 HEAVY-DUTY PICKUP TRUCKS
PRO STARTING AT
$46,300*
AVAILABLE TOW UP TO
36,000 LBS.*
KEY FEATURES
DEDICATED TO AMERICAN INGENUITY
The premier Sierra lineup is the result of over 100 years of dedication to the art and science of engineering. At GMC, we’re proud to offer strong, innovative pickup trucks — with advanced tech, performance and design — that help keep this country moving forward.
EXPLORE SIERRA HEAVY DUTY TRIMS
From the hardworking Pro and the well-equipped SLT to the off-road ready AT4 and the luxurious Denali Ultimate, there’s a GMC Sierra Heavy Duty trim ready to help you take on whatever lies ahead.
As Shown $52,800
PRO
STARTING AT
$46,300*
STANDARD FEATURES
- 6.6L V8 gas engine with Allison® 10-speed automatic transmission
- Trailering Package, Trailering Mirrors and Trailer Brake Controller
- Best-in-class HD cargo box volume
* - Wireless Apple CarPlay®
* and wireless Android Auto™* compatibility
AVAILABLE FEATURES
- Duramax 6.6L Turbo-Diesel V8 engine with Allison 10-speed automatic transmission
- Adaptive Cruise Control
* with trailering*
As Shown $57,595
SLE
STARTING AT
$53,200*
INCLUDES PRO STANDARD FEATURES, PLUS ADDS OR SUBSTITUTES
- 13.4" diagonal center touchscreen and 12.3" diagonal digital Driver Information Center
- Traction Select System with Tow/Haul mode
* - 17" machined aluminum wheels
AVAILABLE FEATURES
- Up to 13 camera views,
* including transparent trailer view* - MultiPro™ Tailgate and MultiPro Tailgate Audio System by Kicker®
* - X31 off-road package with twin-tube Rancho® shocks and skid plates
As Shown $65,795
SLT
STARTING AT
$64,700*
INCLUDES SLE STANDARD FEATURES, PLUS ADDS OR SUBSTITUTES
- 10-way power driver and front outboard passenger heated seats with lumbar
- Heated steering wheel
- ProGrade Trailering System
* with In-Vehicle Trailering App* - MultiPro Tailgate
- 18" machined aluminum wheels with dark grey metallic accents
AVAILABLE FEATURES
- 10-way power-adjustable front heated and ventilated bucket seats with perforated leather appointments
As Shown $71,000
AT4
STARTING AT
$71,000*
INCLUDES SLT STANDARD FEATURES, PLUS ADDS OR SUBSTITUTES
- Exclusive Jet Black interior with Kalahari accents, and heated and ventilated perforated front leather seating surfaces
- Exclusive 20" gloss-black aluminum wheels with available BFGoodrich® off-road tires
- Off-Road Suspension Package with twin-tube Rancho shocks and skid plates
- Up to 14 available camera views
* with HD Surround Vision* - Adaptive Cruise Control
*
AVAILABLE FEATURES
- 15" diagonal Head-Up Display with off-road inclinometer
As Shown $74,395
DENALI
STARTING AT
$73,900*
INCLUDES SLT STANDARD FEATURES, PLUS ADDS OR SUBSTITUTES
- 20" Ultra-Bright machined wheels with bright chrome inserts
* - Denali-exclusive authentic open-pore wood, patterned aluminum trim and forge perforated leather seating surfaces
- 12-way heated and ventilated power front seats
AVAILABLE FEATURES
- Duramax 6.6L Turbo-Diesel V8 engine with Allison 10-speed automatic transmission
- Power sunroof
- Rear Camera Mirror
*
As Shown $83,845
AT4X*
STARTING AT
$83,200*
INCLUDES AT4 STANDARD FEATURES, PLUS ADDS OR SUBSTITUTES
- Factory-installed 1.5" suspension lift, Multimatic® DSSV dampers, rear electronic-locking differential, larger steel transfer case skid plate and front aluminum skid plate
- 35" Goodyear® Territory MT tires
- 16-way heated and ventilated power front seats with massage feature
- Obsidian Rush interior featuring full-grain leather seating with technical-grain leather accents and authentic Vanta ash wood
AVAILABLE FEATURES
- AT4X AEV Edition featuring stamped steel bumpers, steering gear and transfer case skid plates, and 18" Salta gloss-black wheels
- Duramax 6.6L Turbo-Diesel V8 engine with Allison 10-speed automatic transmission
As Shown $93,795
DENALI ULTIMATE
STARTING AT
$93,300*
INCLUDES DENALI STANDARD FEATURES, PLUS ADDS OR SUBSTITUTES
- Duramax 6.6L Turbo-Diesel V8 engine with Allison 10-speed automatic transmission
- Signature Vader Chrome grille and exclusive 20" Ultra-Bright machined aluminum wheels with gloss-black inserts
* - Exclusive Alpine Umber interior featuring full-grain leather seating, authentic open-pore Paldao wood and 16-way power front seats with massage feature
- 12-Speaker Bose
* Premium Series with Centerpoint* surround sound - Illuminated power assist steps and MultiPro Tailgate Audio System by KICKER
*
AVAILABLE FEATURES
- Auxiliary trailer camera
CURRENT OFFERS
2025 GMC SIERRA HEAVY DUTY DENALI MODELS
Celebrate Independence Day
5.9% APR FOR 84 MONTHS for well-qualified buyers.
That’s $4,089 Average Finance Savings
Plus, $1,000 PURCHASE ALLOWANCE.
SIERRA HD COLORS
CAPABILITY
Serious power. Serious trailering.
DURAMAX 6.6L TURBO-DIESEL V8 ENGINE
Sierra Heavy Duty’s available Duramax 6.6L Turbo-Diesel V8 engine features an efficient turbocharger and Allison 10-speed automatic transmission.
VIEW DETAILS
SERIOUS TOWING POWER
The 2500 Crew Cab offers available max towing of up to 21,870 lbs.
ADVANCED TRAILERING TECH
The 2025 Sierra Heavy Duty offers several advanced trailering-assistance technologies so you can trailer with confidence.
VIEW DETAILS
INTERIOR
Premium interiors to make every trip first-class.
16-WAY POWER FRONT SEATS WITH MASSAGING FEATURE
Experience serious comfort in Sierra Heavy Duty’s available best-in-class
LUXURIOUS MATERIALS
Sierra HD Denali Ultimate’s Alpine Umber interior features full-grain leather seating, plaited contrast stitching, and embossed and laser-etched topographical map patterns of Mt. Denali’s summit.
SPACIOUS CABIN
The Sierra Heavy Duty truck features best-in-class Crew Cab front head and leg room.
TECHNOLOGY
Keep informed and in command.
13.4" DIAGONAL CENTER TOUCHSCREEN
This available tablet-style touchscreen is the customizable, high-tech centerpiece of the cabin.
12.3" DIAGONAL COLOR DRIVER INFORMATION CENTER
Control and customize important vehicle, driving and infotainment content in high-resolution clarity with an available 12.3" diagonal digital Driver Information Center.
EXTERIOR
Powerfully bold. Stands out proud.
BOLD FRONT END
Stand out everywhere you go with GMC Sierra HD Denali’s iconic chrome grille, front bumper and fascia.
LED PROJECTOR HEADLAMPS AND SIGNATURE LIGHTING
LED projector headlamps with striking animated sequences help enhance Sierra Heavy Duty’s impressive exterior design.
SAFETY AND DRIVER ASSISTANCE
SIERRA HD PRO SAFETY
Every GMC Sierra 2500 HD and GMC Sierra 3500 HD truck includes active safety and driver assistance technologies that help while driving and trailering. Sierra HD Pro Safety includes:
Forward Collision Alert
Following Distance Indicator
Front Pedestrian Braking
IntelliBeam
Lane Departure Warning
Buckle to Drive
Automatic Emergency Braking
Safety or driver assistance features are no substitute for the driver’s responsibility to operate the vehicle in a safe manner. Read the vehicle Owner’s Manual for important feature limitations and information.
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